Using this Injen intake is easy. First, make sure your engine is turned off and cool. Then, carefully remove the old intake system following your vehicle's manual. Install the new Injen intake in place of the old one, making sure all connections are secure. Start your engine and listen for any unusual noises. If everything sounds good, you're ready to go. When it comes to maintenance, regularly check the air filter. It's serviceable, so clean it as needed according to the instructions on the filter. This will keep the airflow optimal. Also, inspect the intake tube for any signs of damage or wear. And remember, always follow the safety guidelines in your vehicle's manual when working on the engine. Enjoy the enhanced performance and unique sound this intake provides!